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Learn how to create stunning motion graphics and animations for video production. Author Ian Robinson explains how to format and animate type with the Transform Glyph tool and explores Motion's real-time 3D tools. The course also covers working in 3D space, creating depth with lights and shadows, keying green screen effects, and working with particle systems. In addition, Ian offers practical advice on integrating Motion into a professional video workflow and explains how to work smarter using rigs and templates.
So as you use behaviors, there will definitely be times where you want to actually trim when that behavior happens. So as you animate your objects, you know you can kind of tweak the specific animation. Now I want to draw your attention to how some of the different behaviors function, just so you can kind of plan as you continue building our graphics using behaviors. So to show you what I'm talking about, first thing, I'm going to go ahead and select this Funky_Shape group. This group contains all four of the spheres.
I want to go ahead and just have these figures move from the left side of the screen to the right side. So to do that I'm going to go down here on my behaviors button and go up under Basic Motion and I'm going to choose Move. Now the Move behavior is kind of cool because it allows you to choose the specific destination for your behavior just by clicking on these different control handles and repositioning the end position of where you would like to actually move that object.
I'm just clicking on X and Y handles here. I'll have these move from this side to that side, and notice when I apply the behavior down here in the Mini Timeline, this is letting me know exactly how long it's going to take before those objects reach the end of the behavior. So if you press the spacebar to begin playback, you'll notice as the circles move across the page, once the playhead gets right to the end there, it's going to meet the final destination here. So that's all well and good, and I'm sure it makes total sense, but what if I want this move to happen significantly faster? Well, if I press Home to move my playhead back to the beginning, I can press the spacebar to begin playback, and let's say I want these to be all the way to the right side right now.
Well, since I stopped playback, all I have to do is press O. Since I have the behavior applied, it's automatically going to trim the output in that behavior to where my playhead is. So now you notice the shapes have moved to that new point. Now the other thing that's really kind of cool about this is the fact that this behavior maintains that position even after the end of the behavior has passed in the Timeline, so let me show you what I'm talking about. If we move the playhead back to the beginning and press the spacebar, you notice they move and then they stop.
So as you can see, the Move behavior is really helpful when you want to move things around the screen. Now I know your keyframe fanatics applies are probably sitting there thinking to yourself, well, that just moved and then slammed to a stop. Well, you can definitely adjust the motion of how this move happens by looking at the parameters for this behavior. So I'm going to go ahead and press Command+3 to open up my Inspector. And in the Behaviors section here notice under Direction I have it set to go to a specific point.
I can have it actually move from a specific point. Or down here, I can adjust the speed, so by default it set up to constant. Well, if I choose Ease Both what it's going do at the beginning of my animation, it'll slowly accelerate and then slow down to the end of the animation. Just like moving in your car, you accelerate, and then you stop, and it's smooth one way and the other, so the Move behavior is great. Now if I want to go ahead and use Wind to achieve kind of a similar effect but have each of the objects slightly moving differently because of the Effects Subobject option, let's see what happens.
Let's deselect to the Move behavior here, just by clicking on its visibility check box there. Now you notice that behavior has absolutely no effect. To apply the Wind--I have the group selected here, go up and select it, here we go-- I'll go to Simulations and choose Wind. Now Wind is kind of funny because I need to open up my HUD and specify the direction I'd like the wind to blow, and here looking at this motion path, I can see exactly how far they're actually going to move.
Now if I turn on my Effect Subobjects option, it will adjust and move each one of these objects slightly differently. Now if I go ahead and press the spacebar, we can preview the animation, and notice much like move, it actually automatically applies the behavior, so it takes place over the end of the Timeline. Well, if I want this to actually stop, let's say, here, but I want the circles to be all the way over there at this point, if I press O, look what happens. Nothing happened, and you would think if we go ahead and preview this that the wind would actually stopping applied after the end of the behavior, but that's just not the case.
Wind are just one those behaviors where it really doesn't matter how you trim the behavior, it's just going to be applied or not applied, so just kind of wanted you to be aware of that. Now the last behavior we're going to cover in this section is the Grow/Shrink behavior. So let's go ahead and deactivate Wind. Now let's go to Behaviors and go up under Basic Motion and choose Grow/Shrink. So again, it's applied over the entire length of the comp, and I want to go ahead and scale this to a specific value.
So let's scale it up about 46%. And again, since these shapes were created within Motion, I'm not going to lose any quality as the scale moves up. Now, let's preview this animation. Okay, that's all well and good, but I want this to scale up really quickly, let's say in the first second here, so if I move my playhead to one second and I press O to trim the out point of that behavior, now I notice it's actually scaled all the way up.
Now just to show you how the entire project looks, let's go and press F6, so you can see in the Timeline here how everything is set up. I'm just going to go ahead and adjust the scale of the Timeline here by clicking and dragging up with the cursor. So here you can see I've got my random shape behaviors applied to each of the different layers, but I also have my main group here and my Grow/Shrink behavior applied. Well, let's preview what that actually looks like. I'm just going to click on a project layer here, just so nothing is selected in my canvas and press Home, and now let's go ahead and press the spacebar to preview this animation.
And look what happens. When you actually trim the Grow/Shrink behavior, it doesn't keep the end parameter set up the way that you'd expect it to; it just disappears. So what you need to do to adjust the Grow/Shrink behavior is select the behavior. You can leave it set over the duration of the project, so I will just leave it set over the five seconds, but there is this one parameter here under Grow/Shrink called End Offset and what this does, it allows you to offset from the end of that behavior.
So let's say I want the scale to actually arrive at three seconds. As I adjust this offset, this is directly related to the number of frames in the composition. So if I start at the back of the comp here, and it's two seconds back from five seconds to the three seconds, if I look at the Frame Rate, it's 59-94, so I would need to actually adjust the End Offset to something around 120.
Now notice as I adjust to this End Offset--it ends at 100--you can go pass to that slider just by clicking and dragging right on that one number. So now as I preview this, just by scrubbing my playhead, notice it stops right at three seconds because I've adjusted the End Offset 120 frames. So I'll just deselect everything by selecting my project layer, and let's move our playhead back to the beginning. I'm going to go ahead and press F6 and F5, so we can hide the different panels and get a good look at our animation, and press the spacebar here, so you can see exactly how things were applied.
Now you notice that I had that same sort of abrupt stop with that Grow/Shrink behavior, and yes, with that behavior selected, I could go back and adjust its ease-in and ease-out, but I think you get the general idea. As you trim behaviors, you want to pay specific, close attention to exactly what behavior you're using and how it's actually going to be applied.
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